Dupe feeding grill loop

It doesn't begin immediately upon loading, but eventually I notice a dupe will stand on the first ladder tile below the grill and (appear to) pull mushrooms from the refrigerator and put them in the grill - but no mushrooms are being moved and the dupe just loops the action over and over again. If I save and reload, the dupe will abandon the looping task and act normally, but eventually the behavior will reoccur.

User Feedback

Pretty sure this is the bug where dupes deliver micrograms of ingredients to a building. It is a known bug. To fix it for the moment you can empty the building and clear queued recipes. Then requeue the recipes and you should be fine